RGN trailer neck rebuild

[Toolmaker51]

you got to be good and have the right filler rods

And of course, the corrugations being vertical, have greater strength against the load on the neck.
Nothing comical regarding filler rods comes to mind, including drinking straws and stir sticks...

In other news, assembling a stack of cardboard storage bins here in Anaheim for my protege. I should rustle up a hot melt glue gun and weld inner corners and tabs, beefing up life span.